Home / 279,162,281.22-418,759,168.30-85,080,028.02

Finding the Fourth Proportional to 279,162,281.22, 418,759,168.30 and 85,080,028.02

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Solution

The fourth proportional to 279,162,281.22, 418,759,168.30 and 85,080,028.02 is: 127,624,841.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,162,281.22 : 418,759,168.30 = 85,080,028.02 : x
  2. Step 2: Convert to fraction form
    279,162,281.22/418,759,168.30 = 85,080,028.02/x
  3. Step 3: Cross multiply
    279,162,281.22x = 418,759,168.30 × 85,080,028.02
  4. Step 4: Simplify right side
    279,162,281.22x = 35,628,041,772,595,896
  5. Step 5: Solve for x
    x = 35,628,041,772,595,896/279,162,281.22
  6. Step 6: Final answer
    x = 127,624,841.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.